function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hara, Hideho', 3],
    ['Hara, Hideho & Nagase, Hirohiko', 11],
    ['Hara, Hideho & Shinohara, Akihiko', 2],
    ['Hara, Hideho & Smith, David R.', 13],
    ['Hara, Hideho & Smith, David R. & Shinohara, Akihiko', 10],
    ['Li, Ze-Jian & Wang, Han-Nan & Liu, Meng-Meng & Wei, Mei-Cai', 2],
    ['Liston, A. D. & Knight, G. T. & Heibo, E. & Bland, K. P.', 1],
    ['Liston, Andrew & Prous, Marko & Macek, Jan', 1],
    ['Liston, Andrew D.', 1],
    ['Liston, Andrew D. & Knight, Guy T. & Sheppard, David A.', 20],
    ['NEL, ANDRÉ & WEI, MEI-CAI & NIU, GENG-YUN & GARROUSTE, ROMAIN', 2],
    ['Schedl, W.', 22],
    ['Schedl, Wolfgang', 14],
    ['Togashi, Ichiji', 4],
    ['Wang, Hannan & Smith, David R. & Xiao, Wei & Niu, Gengyun', 3],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=110)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);